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<head><meta charset="utf-8"><title>how can anyone rename topics · t-compiler/wg-nll · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/index.html">t-compiler/wg-nll</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html">how can anyone rename topics</a></h3>

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<a name="127383949"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127383949" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127383949">(May 31 2018 at 21:13)</a>:</h4>
<p>niko was wondering about how topics get renamed</p>



<a name="127383957"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127383957" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127383957">(May 31 2018 at 21:13)</a>:</h4>
<p>its not as simple as branching off new topics (or rejoining a pre-existing topic)</p>



<a name="127384029"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127384029" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127384029">(May 31 2018 at 21:15)</a>:</h4>
<p>(which you do by just editing the topic title above the edit box in the UI)</p>



<a name="127384046"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127384046" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127384046">(May 31 2018 at 21:15)</a>:</h4>
<p>but</p>



<a name="127384091"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127384091" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127384091">(May 31 2018 at 21:16)</a>:</h4>
<p>when you have already sent a message</p>



<a name="127384112"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127384112" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127384112">(May 31 2018 at 21:16)</a>:</h4>
<p>You can edit that message</p>



<a name="127384119"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127384119" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127384119">(May 31 2018 at 21:16)</a>:</h4>
<p>and the UI for editing a message</p>



<a name="127384126"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127384126" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127384126">(May 31 2018 at 21:17)</a>:</h4>
<p><em>includes</em> the ability to edit that message's topic</p>



<a name="127384202"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127384202" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127384202">(May 31 2018 at 21:18)</a>:</h4>
<p><a href="/user_uploads/4715/tw75lNnkSGbUjfe1FtAFDJYE/pasted_image.png" target="_blank" title="pasted_image.png">pasted image</a></p>
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<a name="127384211"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127384211" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127384211">(May 31 2018 at 21:18)</a>:</h4>
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<a name="127384217"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127384217" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127384217">(May 31 2018 at 21:19)</a>:</h4>
<p>ah, I wondered if it was that</p>



<a name="127384220"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127384220" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127384220">(May 31 2018 at 21:19)</a>:</h4>
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<a name="127384223"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127384223" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127384223">(May 31 2018 at 21:19)</a>:</h4>
<p>but in that case I guess you can only do it within a certain window?</p>



<a name="127384225"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127384225" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127384225">(May 31 2018 at 21:19)</a>:</h4>
<p>its very clever</p>



<a name="127384228"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127384228" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127384228">(May 31 2018 at 21:19)</a>:</h4>
<p>I can reconfigure that window though</p>



<a name="127384230"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127384230" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127384230">(May 31 2018 at 21:19)</a>:</h4>
<p>right now it's 10 minutes or something</p>



<a name="127384231"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127384231" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127384231">(May 31 2018 at 21:19)</a>:</h4>
<p>because <em>after</em> you edit the topic title</p>



<a name="127384237"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127384237" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127384237">(May 31 2018 at 21:19)</a>:</h4>
<blockquote>
<p>but in that case I guess you can only do it within a certain window?</p>
</blockquote>
<p>(yes, only a certain window of time... at least for a given message...)</p>



<a name="127384296"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127384296" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127384296">(May 31 2018 at 21:20)</a>:</h4>
<blockquote>
<p>because <em>after</em> you edit the topic title</p>
</blockquote>
<p>after you edit the topic title, the UI changes, and gives you a selection box</p>



<a name="127384309"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127384309" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127384309">(May 31 2018 at 21:21)</a>:</h4>
<p>where you can tell it to change one of: 1. just this message's topic, 2. this and all future messages in this topic, or 3. this and all past and future messages in the topic</p>



<a name="127384321"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127384321" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127384321">(May 31 2018 at 21:21)</a>:</h4>
<p>so my question now is... if the window of time that <span class="user-mention" data-user-id="116009">@nikomatsakis</span> just mentioned applies to that third option of mutating all past and future messages.</p>



<a name="127384373"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127384373" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127384373">(May 31 2018 at 21:22)</a>:</h4>
<p>I think it does</p>



<a name="127384376"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127384376" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127384376">(May 31 2018 at 21:23)</a>:</h4>
<p>yep</p>



<a name="127384384"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127384384" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127384384">(May 31 2018 at 21:23)</a>:</h4>
<p>just confirmed that you cannot pervert the past</p>



<a name="127384388"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/127384388" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#127384388">(May 31 2018 at 21:23)</a>:</h4>
<p>beyond the window. Which is probably for the best</p>



<a name="134191048"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/134191048" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#134191048">(Sep 18 2018 at 20:29)</a>:</h4>
<p>(you can edit a message, change the topic, and then select from the dropdown how you want it moved)</p>



<a name="134191135"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/134191135" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#134191135">(Sep 18 2018 at 20:30)</a>:</h4>
<p><a href="/user_uploads/4715/eDH8zOGFfnRRrjlwebfPko5Z/pasted_image.png" target="_blank" title="pasted_image.png">pasted image</a></p>
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<a name="134191184"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/how%20can%20anyone%20rename%20topics/near/134191184" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> pnkfelix <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/how.20can.20anyone.20rename.20topics.html#134191184">(Sep 18 2018 at 20:31)</a>:</h4>
<p><span class="user-mention" data-user-id="116107">@davidtwco</span> <span class="user-mention" data-user-id="116108">@Keith Yeung</span>  see also discussion here: ^</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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